Plugin/Memory Issue

I recently switched to GoDaddy for hosting after having routine issues with my old host.

I keep getting errors, and I’ve scoured the net for fixes, but not seem to do the trick.

After getting the white screen of death, I renamed the plugin folder to deactivate everything. Now, every plugin I try to reactivate (starting with WooCommerce) redirects me to an error page. The plugins are activated, and working.

Here’s the current messages:

Notice: Use of undefined constant ‘WP_MEMORY_LIMIT’ – assumed ‘‘WP_MEMORY_LIMIT’’ in /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-config.php on line 88

Notice: Use of undefined constant ’64M’ – assumed ‘’64M’’ in /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-config.php on line 88

Warning: Cannot modify header information – headers already sent by (output started at /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-config.php:88) in /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-includes/pluggable.php on line 1196

Warning: Cannot modify header information – headers already sent by (output started at /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-config.php:88) in /home/content/p3pnexwpnas06_data01/77/2376477/html/wp-includes/pluggable.php on line 1196

I only have 5 plugins active at this point, and it started with the first one.

I have WooCommerce, Aftership for WooCommerce, TinyMCE Widget, and two U-Design plugins for the theme.